Cross-site scripting in nobossextensions.com No Boss Testimonials component for Joomla
Priority MEDIUM 49CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
A stored XSS vulnerability in No Boss Testimonials component 1.0.0-3.0.0 and 4.0.0-4.0.2 for Joomla was discovered.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00477 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nobossextensions.com | No Boss Testimonials component for Joomla | 4.0.0-4.0.2; 1.0.0-3.0.0 | — | No fix listed | CNA |
- No Boss Testimonials component for Joomla Vendornobossextensions.com Affected 4.0.0-4.0.2; 1.0.0-3.0.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-54299
- 2026-10-03 Alias added: GHSA-f8x3-2896-944x
References
More nobossextensions.com vulnerabilities
- TI-2025-31515 SQL injection in nobossextensions.com No Boss Calendar component for Joomla CVSS 4.0HIGH 8.6
Sources
- CVE-2025-54299 · CVE Program
- CVE-2025-54299 · NVD
- FIRST EPSS
- GHSA-f8x3-2896-944x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences